<?php

class Packing_list_packages_cargoController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to 'column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='column2';

	/**
	 * @var CActiveRecord the currently loaded data model instance.
	 */
	private $_model;

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array(),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update','choosecargo','viewcargo','view','delete'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 */
	public function actionView()
	{
		$this->render('view',array(
			'model'=>$this->loadModel(),
		));
	}
	public function actionViewCargo(){
		$model = $this->loadModel();
		echo $this->renderPartial('_view',array('data'=>$model),true,true);
	}
	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model['cargo'] = cargo::model()->findByPk($_GET['cargo_id']);
		if(!$model['cargo'])
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
		$model['package_cargo'] = packing_list_packages_cargo::model()->findAll('cargo_id=:cargo_id',array(':cargo_id'=>$model['cargo']->id));
		if($model['package_cargo'] == null || count($model['package_cargo']) == 0) {
			$model['package_cargo'][] = new packing_list_packages_cargo;
			$model['dimension'][] = new packing_list_packages_cargo_dimension;
		}
		else {
			foreach($model['package_cargo'] as $i=>$_model) {
				$model['dimension'][$i] = $_model->dimension;
			}
		}
		
		/*$model['dimension'][0]->qty = $model['cargo']->getLeftOver('qty');
		$model['dimension'][0]->qty_type = 'Pkg';
		$model['dimension'][0]->wt = $model['cargo']->getLeftOver('wt');
		$model['dimension'][0]->wt_type = 'kgs';
		$model['dimension'][0]->m3 = $model['cargo']->getLeftOver('m3');
		$model['dimension'][0]->m3_type = 'm3';
		*/
		if(isset($_POST['packing_list_packages_cargo'])) {
			$this->AssignData($model['package_cargo'],'packing_list_packages_cargo');
			$this->AssignData($model['dimension'],'packing_list_packages_cargo_dimension');
			foreach($model['package_cargo'] as $item) {
				$item->cargo_id = $model['cargo']->id;
			}
			$this->validateModels($model);
			$transaction = Yii::app()->db->beginTransaction();
			$ajax = (isset($_POST['ajax']) && $_POST['ajax']=='packing-list-packages-cargo-form' && Yii::app()->request->isAjaxRequest)?true:false;
			try {
				packing_list_packages_cargo::model()->deleteByCargo($model['cargo']->id);
				foreach($model['package_cargo'] as $i=>$item) {
					if(!$item->save())
						throw new Exception('Form saving error');
					if(!$item->Add($model['dimension'][$i],'foreign_key'))
						throw new Exception('Relation saving error');
				}
				$transaction->commit();
				if($ajax){
					echo CJavaScript::jsonEncode(array('id'=>$model['package_cargo']->package_id));
					Yii::app()->end();
				}
				else
					$this->redirect(array('/packing_list/view','id'=>$model['packing_list']->id));
			}
			catch(Exception $e) {
				$transaction->rollback();
				if($ajax){
					echo CJavaScript::jsonEncode(array('formerror'=>$e->getMessage()));
					Yii::app()->end();
				}
			}
		}
		if(Yii::app()->request->isAjaxRequest) {
			echo $this->renderPartial('create',array('model'=>$model),true,true);
			Yii::app()->end();
		}
		$this->render('create',array('model'=>$model));

	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionUpdate()
	{
		$model['package_cargo']=$this->loadModel();
		$model['dimension'] = $model['package_cargo']->dimension;
		$model['packing_list'] = $model['package_cargo']->package->packing_list;
		$model['cargo']=$model['package_cargo']->cargo;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['packing_list_packages_cargo']))
		{
			$model['package_cargo']->attributes = $_POST['packing_list_packages_cargo'];
			$model['dimension']->attributes = $_POST['packing_list_packages_cargo_dimension'];
			$this->validateModels($model);
			$transaction = Yii::app()->db->beginTransaction();
			$ajax = (isset($_POST['ajax']) && $_POST['ajax']=='packing-list-packages-cargo-form' && Yii::app()->request->isAjaxRequest)?true:false;
			try {
				if(!$model['package_cargo']->save())
					throw new Exception('Form saving error');
				if(!$model['package_cargo']->Add($model['dimension'],'foreign_key'))
					throw new Exception('Relation saving error');
				if($model['cargo']->dimension->qty > $model['dimension']->qty)
					$model['cargo']->status = "Warehouse";
				
				$model['cargo']->packing_id = $model['packing_list']->id;
				$model['cargo']->setScenario('packing_list');
				if(!$model['cargo']->save())
					throw new Exception('Cargo status error');
				$transaction->commit();
				if($ajax){
					echo CJavaScript::jsonEncode(array('id'=>$model['package_cargo']->package_id));
					Yii::app()->end();
				}
				else
					$this->redirect(array('/packing_list/view','id'=>$model['packing_list']->id));
			}
			catch(Exception $e) {
				$transaction->rollback();
				if($ajax){
					echo CJavaScript::jsonEncode(array('formerror'=>$e->getMessage()));
					Yii::app()->end();
				}
			}
		}
		if(Yii::app()->request->isAjaxRequest){
			echo $this->renderPartial('update',array('model'=>$model),true,true);
			Yii::app()->end();
		}
		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 */
	public function actionDelete()
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel()->delete();
			$model = $this->loadModel();
			$dimension = $model->dimension;
			$cargo = $model->cargo;
			$cargo->status = "Registered";
			$cargo->save();
			$model->delete();
			$dimension->delete();
			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(array('index'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('packing_list_packages_cargo');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new packing_list_packages_cargo('search');
		if(isset($_GET['packing_list_packages_cargo']))
			$model->attributes=$_GET['packing_list_packages_cargo'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 */
	public function loadModel()
	{
		if($this->_model===null)
		{
			if(isset($_GET['id']))
				$this->_model=packing_list_packages_cargo::model()->findbyPk($_GET['id']);
			if($this->_model===null)
				throw new CHttpException(404,'The requested page does not exist.');
		}
		return $this->_model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='packing-list-packages-cargo-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
